<template>
    <div>
        <div id="slider" class="mui-slider ">
            <div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
                <div class="mui-scroll">
                    <a :class="['mui-control-item' ,item.id==0?'mui-active':'']  " v-for="item in cates" :key="item.id" @click="getimgListByCateId(item.id)">
                       {{item.title}}
                    </a>
                </div>
            </div>

        </div>
        <ul class="photo-list">
            <router-link v-for="item in  imageList" :key="item.id" class="photo-item" :to="'/home/photoinfo/'+item.id" tag="li">
                <img v-lazy="item.img_url">
                <div class="info">
                    <h3 class="info-title">{{item.title}}</h3>
                    <div class="info-detail">{{item.zhaiyao}}</div>
                </div>
            </router-link>
        </ul>
    </div>
</template>

<script>
    import mui from '../../lib/mui/js/mui.min.js'
    export default {
        name: "PhotoList",
        data(){
            return{
                cates:[],
                imageList:[]
            }
        },
        created(){
          this. getCategory();
          this.getimgListByCateId(0);
        },
        mounted(){
            mui('.mui-scroll-wrapper').scroll({
                deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
            });
        },
        methods:{
            getCategory(){
                this.$http.get("api/getimgcategory").then(result=>{
                    result.body.message.unshift({title:"全部",id:0});
                    console.log(result.body.message);
                    this.cates=result.body.message;
                })
            },
            getimgListByCateId(cateId){
                this.$http.get("api/getimages/"+cateId).then(result=>{
                    console.log(result.body.message);
                    this.imageList=result.body.message;
                })
            }
        }
    }
</script>

<style scoped>
*{
    touch-action: pan-y;
}
.photo-list{
    padding: 0px;
    margin: 0px;
    text-align: center;
}
.photo-list .photo-item{
    padding: 4px 10px;
    position: relative;
}
.photo-list .photo-item img{
    width: 100%;
    background-color: #ccc;
    box-shadow: 0 0 12px #999;
}
.photo-list .photo-item .info{
    text-align: left;
    color: white;
    position: absolute;
    bottom:0px;
    margin: 10px 10px 10px 0 ;
    background-color: rgba(0, 0, 0, 0.4);
}
.photo-list .photo-item .info .info-title{
    font-size: 14px;
}
.photo-list .photo-item .info .info-detail{
    font-size: 12px;
    max-height: 64px;
    overflow: hidden;

}
img[lazy=loading]{
    width: 40px;
    height: 300px;
    margin: auto;
}
</style>